Why is the level of these skills is underestimated in the arena and you can not enchant them?
OFFICIAL :
(http://www.l2gc.com/icon/skill0233.png) Light Armor Mastery Lv.47 - Passive Skill
Increases P. Def. by 65.6 and Evasion by 7, and decreases the chance of receiving Critical Damage by 35% when equipped with light armor.
(http://www.l2gc.com/icon/skill0234.png) Robe Mastery Lv.41 - Passive Skill
Increases P. Def. by 55.2 when equipped with a robe.
(http://www.l2gc.com/icon/skill0232.png) Heavy Armor Mastery Lv.52 - Passive Skill
Increases P. Def. by 172.6 and decreases received Critical Damage by 35% when equipped with heavy armor.
ARENA :
(http://www.l2gc.com/icon/skill0233.png) Light Armor Mastery Lv.22 - Passive Skill
When equipped with light armor, increase P. Def. by 64.2.
(http://www.l2gc.com/icon/skill0234.png) Robe Mastery Lv.17 - Passive Skill
Increase P. Def. by 56.1 when equipped with a robe.
(http://www.l2gc.com/icon/skill0232.png) Heavy Armor Mastery Lv.52 - Passive Skill
Increases P. Def. by 172.6 and decreases received Critical Damage by 35% when equipped with heavy armor.
if you are in tank stats... i doubt u will be able to enchant light or robe...